CA1174013A - Method at mechanical cellulose pulp manufacture - Google Patents

Method at mechanical cellulose pulp manufacture

Info

Publication number
CA1174013A
CA1174013A CA000375146A CA375146A CA1174013A CA 1174013 A CA1174013 A CA 1174013A CA 000375146 A CA000375146 A CA 000375146A CA 375146 A CA375146 A CA 375146A CA 1174013 A CA1174013 A CA 1174013A
Authority
CA
Canada
Prior art keywords
bleaching
pulp
stage
washing
resin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000375146A
Other languages
English (en)
French (fr)
Inventor
Per-Erik Andersson
Goran E. Annergren
Tjell-Dke Hagglund
Hans E. Hoglund
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SCA Development AB
Original Assignee
SCA Development AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SCA Development AB filed Critical SCA Development AB
Application granted granted Critical
Publication of CA1174013A publication Critical patent/CA1174013A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
CA000375146A 1980-04-10 1981-04-09 Method at mechanical cellulose pulp manufacture Expired CA1174013A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8002728-7 1980-04-10
SE8002728A SE445051B (sv) 1980-04-10 1980-04-10 Sett vid tillverkning av mekanisk, i huvudsak hartsfri cellulosamassa

Publications (1)

Publication Number Publication Date
CA1174013A true CA1174013A (en) 1984-09-11

Family

ID=20340719

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000375146A Expired CA1174013A (en) 1980-04-10 1981-04-09 Method at mechanical cellulose pulp manufacture

Country Status (10)

Country Link
JP (1) JPS56159384A (de)
AU (2) AU6901281A (de)
CA (1) CA1174013A (de)
DE (1) DE3114427A1 (de)
FI (1) FI73016C (de)
FR (1) FR2480321A1 (de)
IT (1) IT1209859B (de)
NL (1) NL187865C (de)
NO (1) NO159107C (de)
SE (1) SE445051B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2567930B1 (fr) * 1984-07-17 1986-08-29 Centre Tech Ind Papier Procede et installation pour le recyclage de vieux papiers imprimes
SE8501246L (sv) * 1985-03-13 1986-09-14 Eka Ab Sett att tillverka blekt, kemimekanisk och halvkemisk fibermassa med anvendning av enstegsimpregnering
CA1294396C (en) * 1986-05-30 1992-01-21 Richard Berry Process for decreasing the charge of chemical required in a bleaching extraction stage
FI115978B (fi) * 2000-11-16 2005-08-31 Ciba Sc Holding Ag Menetelmä ei-kuitupitoisten ainesten ottamiseksi talteen puumateriaalista
CN105019286B (zh) * 2015-07-29 2017-01-25 华南理工大学 棉短绒高浓过氧化氢漂白制备精制棉的装置及方法
CN105064110B (zh) * 2015-07-29 2017-04-12 华南理工大学 一种棉短绒制浆装置及其制浆方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE420329C (sv) * 1978-02-16 1984-10-15 Mo Och Domsjoe Ab Forfarande for framstellning av slipmassa vid overtryck
AU539108B2 (en) * 1979-04-17 1984-09-13 Interox Societe Anonyme Delignification of unbleached chemical pulp
SE443383C (sv) * 1981-01-14 1987-11-16 Mo Och Domsjoe Ab Forfarande for tvettning av cellulosamassa
FR2522030A1 (fr) * 1982-02-19 1983-08-26 Scherb Metenett Papeteries Procede de blanchiment selectif de pate a papier et papier obtenu par mise en oeuvre de ce procede

Also Published As

Publication number Publication date
FI73016B (fi) 1987-04-30
SE8002728L (sv) 1981-10-11
JPS56159384A (en) 1981-12-08
SE445051B (sv) 1986-05-26
FI73016C (fi) 1987-08-10
AU568112B2 (en) 1987-12-17
DE3114427A1 (de) 1982-01-14
DE3114427C2 (de) 1987-12-17
NL187865B (nl) 1991-09-02
NL8101748A (nl) 1981-11-02
NO811225L (no) 1981-10-12
AU6901281A (en) 1981-10-29
FI811096L (fi) 1981-10-11
NO159107B (no) 1988-08-22
JPH0219236B2 (de) 1990-05-01
NL187865C (nl) 1992-02-03
NO159107C (no) 1988-11-30
FR2480321B1 (de) 1984-09-14
IT8148224A0 (it) 1981-04-07
FR2480321A1 (fr) 1981-10-16
IT1209859B (it) 1989-08-30
AU2316984A (en) 1984-05-10

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Legal Events

Date Code Title Description
MKEX Expiry